[doc] Upgrade generated doc and create example for redundant-typehint-argument (#7904)

3 files changed, 18 insertions, 2 deletions

diff --git a/doc/user_guide/checkers/extensions.rst b/doc/user_guide/checkers/extensions.rst
index 0eaf22792..a3ff636a8 100644
--- a/doc/user_guide/checkers/extensions.rst
+++ b/doc/user_guide/checkers/extensions.rst
@@ -275,7 +275,7 @@ Verbatim name of the checker is ``dict-init-mutate``.
 
 Dict-Init-Mutate checker Messages
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-:dict-init-mutate (C3401): *Dictionary mutated immediately after initialization*
+:dict-init-mutate (C3401): *Declare all known key/values when initializing the dictionary.*
   Dictionaries can be initialized with a single statement using dictionary
   literal syntax.
 
@@ -697,6 +697,9 @@ Typing checker Messages
 :consider-alternative-union-syntax (R6003): *Consider using alternative Union syntax instead of '%s'%s*
   Emitted when 'typing.Union' or 'typing.Optional' is used instead of the
   alternative Union syntax 'int | None'.
+:redundant-typehint-argument (R6006): *Type `%s` is used more than once in union type annotation. Remove redundant typehints.*
+  Duplicated type arguments will be skipped by `mypy` tool, therefore should be
+  removed to avoid confusion.
 
 
 .. _pylint.extensions.while_used:
diff --git a/doc/user_guide/checkers/features.rst b/doc/user_guide/checkers/features.rst
index 350511069..f86b0c874 100644
--- a/doc/user_guide/checkers/features.rst
+++ b/doc/user_guide/checkers/features.rst
@@ -682,6 +682,17 @@ Modified Iteration checker Messages
   use a copy of the list.
 
 
+Nested Min Max checker
+~~~~~~~~~~~~~~~~~~~~~~
+
+Verbatim name of the checker is ``nested_min_max``.
+
+Nested Min Max checker Messages
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+:nested-min-max (W3301): *Do not use nested call of '%s'; it's possible to do '%s' instead*
+  Nested calls ``min(1, min(2, 3))`` can be rewritten as ``min(1, 2, 3)``.
+
+
 Newstyle checker
 ~~~~~~~~~~~~~~~~
 
diff --git a/doc/user_guide/messages/messages_overview.rst b/doc/user_guide/messages/messages_overview.rst
index 89c825331..74b8dbb8a 100644
--- a/doc/user_guide/messages/messages_overview.rst
+++ b/doc/user_guide/messages/messages_overview.rst
@@ -231,7 +231,6 @@ All messages in the warning category:
    warning/deprecated-method
    warning/deprecated-module
    warning/deprecated-typing-alias
-   warning/dict-init-mutate
    warning/differing-param-doc
    warning/differing-type-doc
    warning/duplicate-except
@@ -281,6 +280,7 @@ All messages in the warning category:
    warning/multiple-constructor-doc
    warning/named-expr-without-context
    warning/nan-comparison
+   warning/nested-min-max
    warning/non-ascii-file-name
    warning/non-parent-init-called
    warning/non-str-assignment-to-dunder-name
@@ -393,6 +393,7 @@ All messages in the convention category:
    convention/consider-using-dict-items
    convention/consider-using-enumerate
    convention/consider-using-f-string
+   convention/dict-init-mutate
    convention/disallowed-name
    convention/docstring-first-line-empty
    convention/empty-docstring
@@ -502,6 +503,7 @@ All messages in the refactor category:
    refactor/property-with-parameters
    refactor/redefined-argument-from-local
    refactor/redefined-variable-type
+   refactor/redundant-typehint-argument
    refactor/simplifiable-condition
    refactor/simplifiable-if-expression
    refactor/simplifiable-if-statement